| P kg∙ha−1 | N1 kg∙ha−1 | N2 kg∙ha−1 | N3 kg∙ha−1 | N4 kg∙ha−1 | Means |
| P1 | 13000 | 19666 | 21666 | 19000 | 18111b |
| P2 | 19000 | 22333 | 17333 | 24666 | 1955ab |
| P3 | 20000 | 17666 | 24000 | 25666 | 2055a |
| Means | 17333c | 19889bc | 21000ab | 23111a | |
| Control | Control vs. rest | 11333 | |||
| Rest | 20333 | ||||